For 2-inch external thread accessories
The lock ring adapter has a 2 "filter threaded inside (M48x0.75) through
Always available on 2-inch external threads to control the orientation of any camera or other accessory attached to the same external thread
Make sure that the external thread you use it with is long enough (not including its unthreaded shoulder) to accommodate this adapter (thickness = 2mm) and that there are still enough remaining threads to connect the device chain
The next attachment in the M48 is also available for threaded attachments
Add 2mm spacing between optical length/total thickness = 2mm (0.08 ") Max outside diameter = 80mm (3.15 ") Thread specification: M48x0.75 internal thread
Thread length = 2mm (0.08 ")

The package includes:
1 x lock ring (2mm-M48x0.75mm)
Attention:
Allow an error of 0-2mm due to manual measurement. Make sure you don't mind before you bid.
Due to differences between different monitors, the picture may not reflect the actual color of the item. Thank you!
If you really care about these details, don't order.